Cart

Your cart is empty.

Continue browsing

Shipping & taxes calculated at checkout

Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm

Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm

Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm

Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm

The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line.

Specifications
Adapter: aluminum (left), aluminum/steel (right)
Axle: steel

Mfr Claimed Weight
TBC

Shimano BB-UN300 Square Taper Bottom Bracket - 68x123mm

$18.89

The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 68 mm shell width. A stabilizer ensures a constant chain line.

Specifications
Adapter: aluminum (left), aluminum/steel (right)
Axle: steel

Mfr Claimed Weight
TBC

SKU / Barcodes...

EBBUN300B23X / 4550170619251

Earn [points_amount] when you buy this item.

Recommended Products

Factor Ostro VAM v1 Clearance Frameset

$4,499.00 $8,999.00

Pirelli P ZERO Race Tube-Type Clincher Tyre - Retro

cannondale-topstone-carbon-3-gravel-bike-carbon

Cannondale Topstone Carbon 3 Gravel Bike - Carbon

$3,050.00 $4,999.99

Magene Antares 1200 Smart Headlight

100-slendale-sunglasses-campari-translucent-red-hiper-fire-red-mirror-lens-side

100% Slendale Sunglasses - Campari Translucent Red (HiPER Fire Red Mirror Lens)

stans-notubes-tubeless-sealant-1000ml

Stans NoTubes Tubeless Sealant - 1000ml

Schwalbe G-One RX Pro Race Gravel Tyre - Black

$117.99 $124.99

Schwalbe G-One RS Pro Race Gravel Tyre - Black

$117.99 $124.99

Schwalbe G-One R Pro Race Gravel Tyre - Transparent

Adidas Adizero Adios Pro 4 - Cloud White / Core Black / Silver Metallic

CCACHE x NSTRMO Burgh Bartape - Stealth Black

bont-riot-g-off-road-shoe-black

Bont Riot G Off-Road Shoe - Black

From $310.99 $389.99

bont-vaypor-sl-road-shoe-white

Bont Vaypor SL Road Shoe - White

From $514.99 $649.99

Pirelli P Zero Race TLR RS Tyre - Classic

Pirelli P Zero Race TLR RS Tyre - Retro

ccache-fsd50-hyper-carbon-spoke-disc-wheelset

CCACHE FSD50 Hyper Carbon Spoke Disc Wheelset

met-codatronca-aero-road-helmet-white-silver-side

MET Codatronca Aero Road Helmet - White Silver

pirelli-cinturato-adventure-gravel-tyre-classic

Pirelli Cinturato Adventure Gravel Tyre - Classic

Stans NoTubes Race Tubeless Sealant - 1000ml

cannondale-topstone-2-gravel-bike-midnight-blue

Cannondale Topstone 2 Gravel Bike - Midnight Blue

$2,100.00 $3,199.00

Satisfy TechSilk™ 8" Shorts - Black

$359.99 $379.99

Ryet Aircode 3D Printed Saddle - Carbon Base Black

CCACHE FSD50 Carbon Spoke Disc Wheelset

Burgh Domestique Bar Tape - Stealth Black

pas-normal-studios-x-sweet-protection-falconer-aero-2vi-off-white-side

Sweet Protection x Pas Normal Studios Falconer Aero 2Vi - Off White

continental-terra-speed-tubeless-tyre-black-transparent

Continental Terra Speed Tubeless Tyre - Black/Transparent

SRAM Dot Brake Bleed Kit Pro V2

$166.99 $199.99

Vision NS SMR-II Stem - Black

Shimano RC302 Road Shoes - White

Shimano RC302 Womens Road Shoes - White

Shimano RC703 Road Shoe - White

From $293.99 $399.99

ccache-x-farsports-handlebar-spacer-adapters

CCACHE x Farsports Handlebar Spacer Adapters

Adidas Adizero Prime X 2.0 Strung - Core Black / Zero Metalic / Spark

$264.00 $449.99

Giant Propel Advanced SL 0 - Black Lava

$9,600.00 $13,999.00

bont-aero-sock-ii-white

Bont Aero Sock II - White

Exposure BOOST Mk.2 - DayBright Front Light

Cadex Tri Sync Arm Cup Set

Giant Revolt 1 Gravel Bike - Metal

From $1,998.00 $2,499.00

bont-riot-road-shoe-white-side

Bont Riot 24 Road Shoe - White

From $257.99 $329.99

Wahoo TRACKR Heart Rate Monitor - White